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My 1 cent using XML::Rules (used as an exercise for myself). The xml is repaired by remiah.
#!/usr/bin/perl use strict; use warnings; use XML::Rules; my $xml = <<'XML'; <all> <doc> <date name="processingtime">2011-04-09T11:12:22.049Z</date> <str name="docuid">121422</str> <str name="title">ABC</str> </doc> <doc> <date name="processingtime">2012-04-09T11:12:22.049Z</date> <str name="docuid">13427</str> <str name="title">CDE</str> </doc> <doc> <date name="processingtime">2010-04-09T11:12:22.049Z</date> <str name="docuid">89822</str> <str name="title">LKK</str> </doc> </all> XML my @rules = ( 'str' => 'as array', 'date' => 'as is', 'doc' => 'as array no content', 'all' => 'no content' ); my $parser = XML::Rules->new(rules => \@rules); my $data = $parser->parse( $xml ); my $max_value = 0; for my $chunk ( @{ $data->{all}{doc} } ) { for my $str ( @{ $chunk->{str} } ) { $str->{name} eq 'docuid' and $str->{_content} > $max_value and $max_value = $str->{_content}; } } print "The max value is: $max_value\n";

In reply to Re: Finding max value from a unique tag from XML by vagabonding electron
in thread Finding max value from a unique tag from XML by Shaveta_Chawla

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